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Solve using the rules for signed numbers. ( +34 ) + ( +86) =

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It is 34+86 = ?.....
No the + are to show that it is a positive number. - means that it is a negative number.
If we write a number without a minus sign in front of it means that it is positive...

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i don't understand any of it. would you like for me to tell you what my textbook says?
Yeah sure tell that..:)
k let me find it...
When adding two numbers with the same sign, add the numbers like normal, and keep the same sign as the answer. Example: (+2) + (+5) = ( +7 ) Example: (-2) + (-5) = (-7)
Yeah it's correct..The text book has explained it clearly...:) But normally we don't need to put a + mark in front of a number..
So how would I add them?
Just add the two numbers...

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